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Aileron servo installation – E-flite Ultimate 20-300 10 ARF User Manual

Page 10

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E-flite Ultimate 20-300 Assembly Manual

Aileron Servo Installation

Required Parts

Top wing

Bottom wing

Control horn (2)

Interconnect horn (4)

Aileron servo (2)

Silicone clevis retainer (2)

Nylon connector backplate (2) Machine screw, 2mm x 4mm (2)

6-inch (152mm) servo extension (2)

Lightweight screw lock connector (2)

Servo linkage, 2.5-inch (62mm) (2)

Required Tools and Adhesives

Medium CA

Thin CA

Side cutters

Hobby knife

Low-tack tape

Pin drill

Drill bit: 1/16-inch (1.5mm) Phillips screwdriver: #0, #1

Felt-tipped pen



1. Slide the control horn into the pre-drilled holes in

the aileron. Use a felt-tipped pen to mark the area

around the base of the control horn. Remove the

horn and use a hobby knife to cut the covering away

from the area inside the outline. Use side cutters to

trim 2-3mm off of the aft lug on the control horn.

This will eliminate the lug protruding through the

other side of the aileron. Use medium CA to glue the

control horn in the holes in the aileron. Make sure

the horn rests flush with the surface of the aileron.

Note: The aileron control horns do not require

back plates.